the grand idea

• n. 高见(好主意；了不起的念头；妙策)

the grand idea的用法和样例：

例句

用作名词 (n.)

1. She dismissed the idea of going to Paris.
   她打消了去巴黎的念头。
2. He had put that idea of marriage out of his head.
   他已打消了结婚的念头。